When an employer terminates my Employment which I was in H1B does it report to US immigration as well ?

The employer may report to immigration.

I will change to a criminal defense list. This is not an immigration question,

Give your accurate mailing address so that you can be contacted.

What should I do?

You may be added to his asylum application. For a visa if you are eligible you may apply.

Will my IV for F2A be rejected since my husband's income in the federal tax return paper for the previous years not enough?

Normally the most recent tax year is sufficient to demonstrate income. If your spouse’s income is not sufficient a co sponsor is required.

I have been married to a US citizen for 7 years, which forms do I need to fill out?

The N 400 form is used for all naturalization applicants.

I applied for Australia tourist visa and I got rejected does it have any effect on my F2A case visa which is now stuck in AP?

There is no affect on your resident visa process

What will be my Visa status?

Check with your employer’s immigration attorney. If a change of status had been submitted and approved along with the H1B you status should have...

H1B RFE in progress and address change

Answer non immigrant H-4 unless the H 1B has been granted. Recommend you have your immigration attorney submit.

My brother was charged with an agg burglary with repeat offender spec 2 counts each how long is he looking at?

This is a criminal law question. I will repost for you on the criminal thread.